Re: About perf,arm -- oops in validate_event

From: Vince Weaver
Date: Tue Aug 20 2013 - 10:44:10 EST


On Tue, 20 Aug 2013, Catalin Marinas wrote:

> On 20 August 2013 11:03, P J P <ppandit@xxxxxxxxxx> wrote:
> > -> https://lkml.org/lkml/2013/8/7/259
> >
> > I wanted to confirm if this above fix should also go into ARM64 build Or is
> > ARM64 platform not vulnerable?
>
> It is and I'll push patches to mainline (Will is preparing them).

You'll probably also want the equivalent of
d9f966357b14e356dbd83b8f4a197a287ab4ff83
as well since arch/arm64/kernel/perf_event.c
has the same overflow in armpmu_map_event that is fixed in the mentioned
commit.

Vince
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